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Lithium Polymer Battery

Lithium Polymer Battery Pack

High Discharge Lipo Battery

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Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Lithium Polymer Battery Pack
Created with Pixso. CE Certified 3.7V 200mAh Lithium Polymer Battery 502025 for Smart Watch and Wearable Devices
CE Certified 3.7V 200mAh Lithium Polymer Battery 502025 for Smart Watch and Wearable Devices
  • Name
  • Name
  • Name

CE Certified 3.7V 200mAh Lithium Polymer Battery 502025 for Smart Watch and Wearable Devices

Brand Name: VATS Battery or Netural
Model Number: 502025
MOQ: 3
Price: $0.88-1.28
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
Guangdong, China
Certification:
CE/FCC
Nominal Voltage:
3.7V
Capacity:
200mAh
Battery Size:
5.0*20*25mm
Weight:
4g
Type:
Li-polymer
Std Discharge Current:
0.2C
Max Discharge Current:
1.0C
Charging Voltage:
4.2V
Discharge Cut-off Voltage:
2.75V
Cycle Life:
500 Times
Anode Material:
LCO
Charging Rate:
1C
Discharge Rate:
1C
Working Temperature Charge:
0~+40℃
Working Temperature Discharge:
-20~+60℃
Highlight:

3.7V 200mAh Lithium Polymer Battery

,

CE Certified Li-polymer Battery

,

502025 Size Rechargeable Battery

Product Description
Product Overview
CE certified 3.7V rechargeable lithium polymer battery model HZ502025 with 200mAh capacity, specifically designed for smart watches and wearable devices.
CE Lipo Battery 502025 200mAh for Smart Watch
Technical Specifications
Parameter Specification
Model HZ502025
Type Li-polymer battery
Warranty 12 months
Nominal Voltage 3.7V
Capacity 200mAh
Cell Size 5.0×20×25mm
Standard Discharge Current 0.2C
Max Continuous Discharge Current 1.0C
Charging Voltage 4.2V
Discharge Cut-off Voltage 2.75V
Working Temperature Charge: 0~+40℃, Discharge: -20~+60℃
Certification CE/FCC
Key Advantages
  • High energy density lithium polymer battery technology
  • Extended life cycle for charging and discharging
  • Enhanced safety with Japan IC & MOS protectors
  • Free samples available for testing
  • OEM & ODM services for custom sizes
  • Easy assembly with mounted connectors (Molex, Tyco compatible)
  • 100% quality inspection before shipment
  • Multiple models with international certifications
  • Production capacity: 300,000 units per day
  • Competitive factory pricing
Packaging Options
Custom packaging available according to your requirements:
  • Cell only
  • Pack with PCB and wires
  • Pack with PCB, wires and connector
Battery Packaging Options
Shipping & Delivery
Multiple transportation options available:
  • HK UPS: 4-6 days delivery
  • Air Cargo: 7-10 days delivery
  • Sea Shipment: Approximately 1 month delivery
Production lead time: In stock items ship within 5 working days, out of stock items require 20-25 working days.
Quality Assurance
Why Choose Our Batteries?
  • 30,000㎡ ISO9001:2015 certified factory with advanced automated equipment
  • Comprehensive quality control system from raw materials to finished products
  • Professional R&D center supporting specification development and prototyping
  • Low MOQ with strong production capacity and sufficient stock
  • International certifications: UL/CE/CB/IEC62133/KC/PSE/ROHS/ERRCS/UN38.3
  • Responsive customer service with 12-month warranty
Manufacturing Process
Our advanced manufacturing process ensures consistent quality:
Raw Material Coating Process Plate Workshop Auto-Injection Process Winding Process Formation and Capacity Grading
Certification Support
We offer comprehensive certification support including CE for European customs, KC for South Korea, and PSE for Japan. Contact us for free battery certification activities.
Battery Certifications
Frequently Asked Questions
Q: How about the warranty of li-ion batteries?
A: Warranty of li-ion battery can be as long as 1 year.
Q: Do you have current sample in stock?
A: We usually have stock for battery cells, for battery pack need to be assembled according to customer requirements.
Q: Can I have a sample order?
A: Yes, we welcome sample orders for quality testing. Customized solutions and OEM/ODM services available.
Q: What's the delivery time for mass production?
A: Usually 25-30 days, depending on quantity, materials, and battery cell model.
Q: What kind of certificates could you provide?
A: We provide CE, UL, UN38.3 and other international certifications. Certificate fees may apply for custom designs.
Q: What is your quality control process?
A: We follow ISO9001 procedures with 100% inspection before delivery.
Contact Information
Contact: Lynn
Mobile/Skype/Whatsapp: +86 13476615395
Tel: 86-0755-86909458
Web: www.vatsbattery.com
Your inquiry is our best motivation, your success is our business!
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Markus K.
Germany May 15.2026
Helpful (45)
Ich war anfangs echt ein bisschen skeptisch, weil man im Netz ja viel zu hören bekommt, wenn es um Li-Polymer-Akkus geht. Aber der originale E66 Akku hier? Junge, Junge... das Teil ist ein Biest! Ich habe die Zelle jetzt seit ein paar Wochen in meinem DIY-Solar-Projekt verbaut und ausgiebig getestet. Was soll ich sagen: Die 66ah sind absolut real, kein Fake-Wert! Die Kapazität ist stabil, die Spannung von 3.7V bleibt auch unter Last super konstant und das Teil wird beim Laden kaum handwarm. Man merkt einfach sofort, dass die Verarbeitungsqualität stimmt und das PCB-Schutzboard ordentlich mitgedacht wurde. Für den Preis kriegt man hier in Deutschland aktuell kaum was Besseres. Versand war auch fix, Verpackung war bombensicher – so muss das laufen! Wer verlässliche Power sucht, kann hier echt bedenkenlos zugreifen. Von mir gibt's eine klare Kaufempfehlung und verdiente 5 Sterne. Daumen hoch!
C
c*o
Australia May 4.2026
Helpful (88)
xxx
O
Owen
Canada Apr 7.2026
Helpful (86)
I’ve been using this 357090 3.7V 2500mAh lipo battery for a few weeks now, and I’m really satisfied with it. It is steady-quality rechargeable lithium polymer batteries that perfectly match the rated voltage and capacity. Output efficiency is great, which helps me save a lot of working time. Build quality feels solid too, no weird noises or faults during daily operation. Shipping was fast and the packaging was protective. For small-scale battery production and copying work, this is absolutely a practical and cost-effective pick. I’d definitely recommend it to fellow business partners and will consider reordering in the future.
Tags: 

Li Ion Battery Pack  

Rechargeable Lithium Battery Pack  

Lithium Ion Battery Pack

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